Carbon Sub Index breakdown

Date of Evaluation Date of Eval. Index Trait PTA *Carbon Cost (€) Contribution Contrib.
PTA * Carbon Cost
May 2025 Milk Sub Index 7.04
Milk (kg) -10.00 -0.014 0.14
Fat (kg) -4.60 -0.375 1.72
Prot (kg) -11.72 -0.441 5.17
Fertility Sub Index -3.52
Calving Interval (days) 2.09 -1.459 -3.05
Survival (%) -0.42 1.117 -0.47
Calving Sub Index -0.47
Gestation Length (days) 0.51 -0.919 -0.47
Beef Sub Index -0.45
Carcass Weight (kg) -2.10 -0.528 1.11
Age of Slaughter (days) 3.60 -0.432 -1.55
Maintenance Sub Index Maint. Sub Index 1.20
Live WT (kg) -3.90 -0.307 1.20
Total Carbon Sub Index 3.80

* Based on an €80/tonne carbon price